Home / 42,827.19-64,203.85-20,610.01

Finding the Fourth Proportional to 42,827.19, 64,203.85 and 20,610.01

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Solution

The fourth proportional to 42,827.19, 64,203.85 and 20,610.01 is: 30,897.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,827.19 : 64,203.85 = 20,610.01 : x
  2. Step 2: Convert to fraction form
    42,827.19/64,203.85 = 20,610.01/x
  3. Step 3: Cross multiply
    42,827.19x = 64,203.85 × 20,610.01
  4. Step 4: Simplify right side
    42,827.19x = 1,323,241,566.47
  5. Step 5: Solve for x
    x = 1,323,241,566.47/42,827.19
  6. Step 6: Final answer
    x = 30,897.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.